306144234245666 has 8 divisors (see below), whose sum is σ = 467880810828444. Its totient is φ = 150183963969520.

The previous prime is 306144234245651. The next prime is 306144234245669. The reversal of 306144234245666 is 666542432441603.

It can be written as a sum of positive squares in 2 ways, for example, as 286331239755625 + 19812994490041 = 16921325^2 + 4451179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×306144234245666³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (306144234245669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444076576525 + ... + 1444076576736.

Almost surely, 2^{306144234245666} is an apocalyptic number.

306144234245666 is a deficient number, since it is larger than the sum of its proper divisors (161736576582778).

306144234245666 is a wasteful number, since it uses less digits than its factorization.

306144234245666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888153153316.

The product of its (nonzero) digits is 59719680, while the sum is 56.

The spelling of 306144234245666 in words is "three hundred six trillion, one hundred forty-four billion, two hundred thirty-four million, two hundred forty-five thousand, six hundred sixty-six".